Water-cooled buckstay



K- Patented June 18, 1929." y

UNITED'STATES PATENT OFFICE.

LoUIs c. mais. or DULUTH, yistimmsora. WATER-cooLED iaUcxsrAY.

Application mea may 1 3, '1927. serial No. 1.151,094.A

This invention relates to a newy and imlar passage 20' .formedtherein These ,pasproved buekstay and mor'e particularly to a sages are formed near the surfaces of the Water cooled buckstay especially adapted for slabs Which Will be adjacent the hearth Wall use with furnaces such as open hearth fur- When the buckstay is incorporated in afur- 5 naces or the like. nace structure. The cross pipe 21 .connects 60' In furnaces of this type buckstays are the bottoms of the passages 19 and 20 and is placed at intervals along the sides of the fur'- preferably Welded in place. The Water inlet naces and are tied together across the top of pipe 22 is connected to the slab 12 andA leads the furnace to properly support the Walls and into the upper end of the passage 20. The

take up the thrust of the roof. The buck- Water outlet pipe 23 is similarly connected to 65 stays are consequently located closely adjathe upper lend of the passage 19. cent the furnace Walls and these Walls, along he passages 19 and 20 may be formed in the sides of the hearth, are raised to a very the slabs in any desired manner, as for exhigh temperature. In my prior patent, No. ample, they Amay be milled or planed in the 1,402,444, January 3, 1922, I have disclosed edgey of the slab after it is rolled. `The pas- 70 'a Water cooled buckstay Which`is especially sages are then closed by flat plates 4; and eicient for such use as the water cooling pre- 25 such as shown in Figure 2, these plates vents-the warping ofthe'buckstay, due to the being firmly Welded in -a recess in the face of intense heat of the adjacent furnace Walls. the slab. The Water introduced through The buckstay of the present application is in pipe 22 travels down through passage 20 in 75 the nature of an improvement on the buckslab 12 across through pipe 21 and up ,passage stay covered in my patent above-mentioned. 19 in slab 11. The Water thenis drawn off It is an object of thepresent invention to through pipe 23. It will be apparent' that provide a new and improved Water cooled this structure affords a buckstay of very conf buckstay comprising a plurality of associatsiderable strength and rigiditywhich, due to 80 ed vertical elements. its adequate Water cooling, will stand up It is a further object to provide a buckstay under long usage even lwhere the furnace of this type in Which the various elements are walls are thin and very hot. i

formed into an integral structure, and in While I have shown one specific embodiwhich the Water cooling system is continuous ment of my invention by Way of example, it 85 throughout the associated vertical elements. is to be understood.v that I contemplate such @ther and yfurther objects Will appear as vchanges and modifica-tions as may come the description proceeds. Within the spirit and scope of the appended yI have/illustrated a preferred embodiment claims.

of my invention in the accompanying draw-p `I claim: l -90 40 Flgure 1.

ings', in which e 1. In a buckstayiconstru'ction, a rigidly se- Figure 1 is a perspective View of my imcured Water cooled unit comprising a pair of proved buckstay; and vertlcally extending, parallelly disposed Figure 2 is a section taken on line 2 2` of .metal members said metal members having Water passages formed therein adjacent their 95 'Ihe buckstay comprises the pair of verface portions, across connecting pipe betically extending slabs 11 and 12 which are tween the bottom of said passages, means for preferably formed of Wrought metal. 4These conducting Water to the top of one of said slabs are connected to ether at their upper passages, means for withdrawing water from ends by the plates 13aligd14, which plates are the top of the other of said passages, means 100 connected to the fabricated section 15, which rigidly securing the tops ofsaid members in latter is connected to other elements of the spaced relation and independent means for furnace structure which have not been rigidly securing the lower ends of said memshown. rIhe lower portions of the slabs 11l bers in spaced relation.

and 12 are connected together Vloy a plate 16 2. In a buckstay construction, a rigidly se- 105 connected to the slabs through angle memcured Water cooled unit comprising a pair of bers, as indicated at 17. The lower ends of vertically extending, parallely disposed metal the slabs are tied together bythe plate 18. members, said metal members having Water 'Ihe slab 11 has the vertical Water passage passages formed therein adjacent their face 19 formed therein and the slab 12 has a simiportions, a cross' connecting pipe betv'yeen the 110` bottom of said passages, means for conduetber, a spacing member disposed between the ing Water to the top of one of said passages, lower ends of said vertical members and a 10 means for withdrawing water from the top of metal strip rigidl)7 securing the bottom ends the other of said passages, a fabricated attaehof said vertical members. 5 ing member disposed between the upper ends Signed at Duluth, Minnesota, this 6th day `of said members7 metal connecting strips o May, 1927.l f rigidly"holding the upper ends 'of said verv tical members secured to said fabricated mem- LOUIS C. REIS. 

